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Parameter Unit Key Functions
The contents displayed by the Parameter Unit can be changed by key operations.
Handy-type
Parameter Unit
R88A-PR02U
Mounted
Parameter Unit
R88A-PR03U
Function
RESET
+
Alarm reset
Mode switching; data memory
SERVO
DATA
Servo ON/OFF during jog operations
DATA
DATA
Switching between parameter display and data display; data
memory
Increments parameter numbers and data values.
Decrements parameter numbers and data values.
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Left shift for operation digits
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Right shift for operation digits
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Types of Modes
There are four types of modes for Parameter Unit displays. The functions in each mode are shown in the
following table.
Mode
Function
Status display mode
Bit display (indicating internal status via indicators):
Power supply ON display, base block, positioning completed, rotation detection and
current limit detection, command pulse input
Symbol display (indicating internal status via 3-digit 7-segment display):
Base block, operating, forward rotation prohibited, reverse rotation prohibited, alarm
display
Settings mode
System check: Jog operations, alarm history data clear, motor parameters check,
auto-tuning
Setting and checking setup parameters
Setting and checking user parameters
Monitor mode
Speed feedback, speed commands, torque commands, number of pulses from U-
phase, electrical angle, internal status bit display, command pulse speed, position
deviation, and input pulse counter (HA/LA/V/W Models)
Alarm history display
mode
Displays contents of alarms that have been previously generated (up to a maximum
of 10).
Application
Chapter 4
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